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Effects of capping agent on cobalt nanoparticles

  • Authors: Sciortino, L; Longo, A; Giannici, F; Martorana, A
  • Publication year: 2009
  • Type: Articolo in rivista
  • Key words: EXAFS, XRD, cobalt, nanoparticle
  • OA Link:


The achievement of high information density and fast recording rate in memory devices crucially depends on the structure of magnetic domains. In this paper cobalt nanoparticles are synthesised using two capping agents (TOA, ODA) and two different preparation routes: thermal decomposition (TD) and Solvated Metal Atom Dispersion (SMAD). The interaction of capping agents with free metal clusters and their influence on Co nanoparticles size, atomic structure and oxidation state is investigated by means of X-ray diffraction and X-ray absorption spectroscopy.